ii4 The Story of the Bacteria 



its victims. On the other hand, knowing 

 definitely, as we now do, what causes the 

 disease, how and under what conditions it 

 spreads, and what will destroy the germs, we 

 are to-day in a condition, wherever sanitary 

 and proper quarantine regulations are effi- 

 ciently carried out, to largely prevent the access 

 of the disease to our country, to stay the 

 progress of an epidemic at its very outset, 

 and to promptly allay the panic which the 

 advent of a mysterious and deadly scourge 

 is so prone to incite. 



